[Event "El Prat de Llobregat op-B 1st"]
[Site "El Prat de Llobregat"]
[Date "2019.12.09"]
[Round "7"]
[White "Viguera Garcia, Ferran"]
[Black "Koch, Arno"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1971"]
[BlackElo "1755"]
[PlyCount "93"]
[EventDate "2019.12.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. f4 Bg7 4. Nf3 Nd7 5. c3 e6 6. Bd3 Ne7 7. Be3 b6 8. Nbd2 Bb7 9. h4 Nf6 10. e5 Ng4 11. Bg1 h5 12. Qc2 Nd5 13. g3 Qd7 14. Ke2 dxe5 15. dxe5 Ne7 16. Be4 Bxe4 17. Nxe4 0-0 18. Nh2 Nh6 19. Bf2 Rad8 20. Rad1 Qc8 21. Rxd8 Rxd8 22. Rd1 Rd7 23. c4 Qd8 24. b3 Nef5 25. Rxd7 Qxd7 26. Qd3 Qxd3+ 27. Kxd3 Kf8 28. c5 Ne7 29. Kc4 Ke8 30. Nf3 Kd7 31. b4 Ng4 32. Bd4 Nf5 33. Kb5 Nxd4+ 34. Nxd4 f6 35. exf6 Nxf6 36. Ng5 Ne4 37. Ndxe6 Nxg5 38. Nxg5 bxc5 39. Kxc5 Bf8+ 40. Kc4 Ke7 41. Nf3 a6 42. a4 Ke6 43. Nd4+ Kd6 44. b5 Bg7 45. bxa6 Bxd4 46. Kxd4 Kc6 47. a5 1-0

[Event "El Prat de Llobregat op-B 1st"]
[Site "El Prat de Llobregat"]
[Date "2019.12.06"]
[Round "4"]
[White "Diaz Nieto, Alberto"]
[Black "Koch, Arno"]
[Result "1-0"]
[ECO "A42"]
[WhiteElo "1878"]
[BlackElo "1755"]
[PlyCount "87"]
[EventDate "2019.12.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 d6 2. e4 g6 3. c4 Bg7 4. Nc3 Nc6 5. Be3 e5 6. d5 Nce7 7. g4 h5 8. g5 f5 9. gxf6 Nxf6 10. h3 Nh7 11. Qd2 Bd7 12. Bd3 0-0 13. 0-0-0 a6 14. Nge2 b5 15. Rdg1 b4 16. Nd1 a5 17. Bh6 Rf3 18. Bxg7 Kxg7 19. Rg3 Qf8 20. Rhg1 h4 21. Rxf3 Qxf3 22. Re1 Qxh3 23. f4 Qh2 24. f5 g5 25. Rg1 Kf6 26. Ne3 Kf7 27. Ng4 Qh3 28. Nh6+ Kf6 29. Ng4+ Kf7 30. c5 Ng8 31. c6 Bc8 32. Nxe5+ dxe5 33. d6 cxd6 34. Bc4+ Ke7 35. Bxg8 Nf6 36. Qxg5 Kd8 37. Qxf6+ Kc7 38. Qe7+ Kb6 39. Qxd6 Qe3+ 40. Qd2 Qxe4 41. Bd5 Qxf5 42. Qe3+ Kc7 43. Be4 Qf7 44. Qc5 1-0

[Event "El Prat de Llobregat op-B 1st"]
[Site "El Prat de Llobregat"]
[Date "2019.12.05"]
[Round "3"]
[White "Koch, Arno"]
[Black "Manco, David Jonatan"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1755"]
[BlackElo "1926"]
[PlyCount "134"]
[EventDate "2019.12.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 Nf6 3. d3 c5 4. Nd2 Nc6 5. e3 e5 6. Ne2 g6 7. b3 Bg7 8. Bb2 0-0 9. 0-0 d4 10. exd4 Nxd4 11. Bxd4 cxd4 12. Re1 Nd5 13. a4 Bg4 14. Nb1 Qd7 15. Qd2 Rfc8 16. Na3 Bf8 17. Nc4 Bb4 18. c3 Nxc3 19. Nxc3 Bxc3 20. Qg5 Rxc4 21. bxc4 Bxa1 22. Rxa1 Bf5 23. Qd2 Rb8 24. a5 Qc7 25. Rb1 Kg7 26. h3 Bd7 27. Qb4 Bf5 28. Qd2 h5 29. Rb5 Bd7 30. Rb1 Bc6 31. Bxc6 bxc6 32. Rxb8 Qxb8 33. Qe2 Qb1+ 34. Kg2 f6 35. Qe4 c5 36. a6 Kh6 37. Qb7 Qxd3 38. Qxa7 Qe4+ 39. Kh2 d3 40. Qb7 Qxc4 41. a7 d2 42. a8Q d1Q 43. Qh8+ Kg5 44. h4+ Kf5 45. Qhc8+ Qe6 46. Qxc5 Qd3 47. Qc2 e4 48. Qxd3 exd3 49. Qf3+ Ke5 50. Qxd3 Qf5 51. Qb5+ Ke4 52. Qc6+ Kd4 53. Qd6+ Ke4 54. Qc6+ Kd3 55. Qa6+ Kd2 56. Qa2+ Ke1 57. Kg2 Qe4+ 58. f3 Qe2+ 59. Qxe2+ Kxe2 60. g4 Ke3 61. Kg3 f5 62. gxh5 gxh5 63. f4 Ke4 64. Kg2 Kxf4 65. Kf2 Kg4 66. Kg2 Kxh4 67. Kf3 Kg5 0-1

[Event "El Prat de Llobregat op-B 1st"]
[Site "El Prat de Llobregat"]
[Date "2019.12.04"]
[Round "2"]
[White "Garcia Ruiz, Adrian"]
[Black "Koch, Arno"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1955"]
[BlackElo "1755"]
[PlyCount "148"]
[EventDate "2019.12.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 Nc6 4. Nf3 e5 5. Be3 d6 6. d5 Nce7 7. Be2 f5 8. Ng5 f4 9. Bc1 Nf6 10. 0-0 0-0 11. a4 h6 12. Ne6 Bxe6 13. dxe6 c6 14. Bc4 d5 15. exd5 cxd5 16. Bb3 Kh7 17. Re1 d4 18. Ne4 Nxe4 19. Rxe4 Rc8 20. a5 Nc6 21. a6 b5 22. Qd3 Qb6 23. Bd2 Rfe8 24. c3 Na5 25. Bc2 Nc4 26. Bc1 Rxe6 27. cxd4 Nd6 28. Re1 e4 29. Qb3 Nc4 30. Bxf4 Bxd4 31. Bg3 e3 32. fxe3 Bxe3+ 33. Kh1 Rd8 34. Bd3 Rc8 35. Bxc4 Rxc4 36. Qd3 Qd4 37. Rad1 Qxd3 38. Rxd3 Rce4 39. Rd7+ Kg8 40. h3 Bb6 41. Rxe4 Rxe4 42. Bb8 Ra4 43. Bxa7 Rxa6 44. Bb8 Be3 45. Be5 Ra7 46. Rd8+ Kf7 47. Rb8 Ke6 48. Rxb5 Rf7 49. Bb8 Bd4 50. Kh2 h5 51. Rb4 Kd5 52. Rb5+ Ke6 53. b4 Rf8 54. Rb7 Rxb8 55. Rxb8 Be5+ 56. Kg1 Bxb8 57. Kf2 h4 58. Kf3 Kf5 59. b5 g5 60. b6 Bf4 61. Kf2 Ke6 62. b7 Kd7 63. Kg1 Kc7 64. Kh1 Kxb7 65. Kg1 Kc6 66. Kf1 Kd5 67. Kg1 Ke4 68. Kh1 Ke3 69. Kg1 Ke2 70. Kh1 Be3 71. Kh2 Kf1 72. Kh1 Bg1 73. g4 Bb6 74. Kh2 Kf2 0-1

[Event "Dortmund Sparkassen op-B 47th"]
[Site "Dortmund"]
[Date "2019.07.21"]
[Round "9"]
[White "Koch, Arno"]
[Black "Hollstein, Ralf"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "1675"]
[BlackElo "1765"]
[PlyCount "38"]
[EventDate "2019.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 Nf6 3. d3 c6 4. Nd2 Bg4 5. Ngf3 Nbd7 6. h3 Bh5 7. g4 Bg6 8. Nh4 e6 9. Ndf3 Be7 10. Nxg6 hxg6 11. Bf4 Qb6 12. 0-0 c5 13. Qd2 Bd6 14. Bg3 Rc8 15. c3 c4 16. Bxd6 Qxd6 17. Nh2 Qb6 18. a4 Nc5 19. Qe3 Nb3 1/2-1/2

[Event "Dortmund Sparkassen op-B 47th"]
[Site "Dortmund"]
[Date "2019.07.20"]
[Round "8"]
[White "Schmidt, Sebastian"]
[Black "Koch, Arno"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1769"]
[BlackElo "1675"]
[PlyCount "68"]
[EventDate "2019.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Bd3 e6 4. Nf3 Ne7 5. 0-0 d6 6. c3 Nd7 7. Re1 g6 8. Bf4 Bg7 9. Qd2 h6 10. Be3 a6 11. Na3 Nf6 12. e5 Nd7 13. exd6 cxd6 14. Nc4 Nc8 15. Bf4 Nf8 16. Qc1 b5 17. Ne3 Bxf3 18. gxf3 Nb6 19. Bg3 Rc8 20. Qd2 h5 21. h3 Nh7 22. f4 0-0 23. Bf1 Nf6 24. Bg2 d5 25. Bh4 Qc7 26. Bg3 Nc4 27. Nxc4 Qxc4 28. Qe2 Ne8 29. Qxc4 Rxc4 30. Bf1 Rc6 31. f3 Nd6 32. Red1 Nf5 33. Bh2 Rfc8 34. Kf2 b4 0-1

[Event "Dortmund Sparkassen op-B 47th"]
[Site "Dortmund"]
[Date "2019.07.19"]
[Round "7"]
[White "Koch, Arno"]
[Black "Dolheimer, Peter"]
[Result "1-0"]
[ECO "A15"]
[WhiteElo "1675"]
[BlackElo "1309"]
[PlyCount "89"]
[EventDate "2019.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 Nf6 3. c4 e6 4. b3 c6 5. Bb2 Be7 6. Nf3 Nbd7 7. 0-0 b5 8. Nd4 Bb7 9. cxb5 c5 10. Nc2 Rb8 11. a4 a6 12. Nca3 axb5 13. Nxb5 0-0 14. d3 Ba6 15. N1a3 Ra8 16. Qd2 Qb8 17. Rfc1 Bd8 18. e3 Bb7 19. f4 Bb6 20. Qe2 h5 21. h3 e5 22. Rf1 exf4 23. Rxf4 Bc7 24. Nxc7 Qxc7 25. Nb5 Qb6 26. d4 Ba6 27. dxc5 Qxc5 28. Ba3 Bxb5 29. Qxb5 Qxe3+ 30. Kh2 Rfb8 31. Qc6 h4 32. Rf3 hxg3+ 33. Kh1 Ne4 34. Rxe3 Nf2+ 35. Kg1 Nf6 36. Rxg3 N6e4 37. Bxe4 Nxe4 38. Rg2 Rd8 39. Bb2 Rac8 40. Rxg7+ Kf8 41. Qh6 Ke7 42. Ba3+ Nd6 43. Qg5+ Kd7 44. Qxd5 Ke7 45. Bxd6+ 1-0

[Event "Dortmund Sparkassen op-B 47th"]
[Site "Dortmund"]
[Date "2019.07.18"]
[Round "6"]
[White "Kirzhner, Alexander"]
[Black "Koch, Arno"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "1566"]
[BlackElo "1675"]
[PlyCount "64"]
[EventDate "2019.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Be3 Nd7 5. Qd2 h6 6. h4 e5 7. Be2 a6 8. a4 Ne7 9. h5 g5 10. g4 exd4 11. Bxd4 Ne5 12. f4 gxf4 13. Qxf4 N7c6 14. Be3 Be6 15. Nd5 Bxd5 16. exd5 Ne7 17. 0-0-0 Qd7 18. a5 f5 19. g5 hxg5 20. Qxg5 Bh6 21. Qg3 Bxe3+ 22. Qxe3 Qa4 23. Qc3 0-0-0 24. Nf3 Qe4 25. Nxe5 Nxd5 26. Qd3 Qf4+ 27. Kb1 dxe5 28. Rhf1 Qe4 29. Rxf5 Qxd3 30. Rxd3 Nf4 31. Rxd8+ Kxd8 32. Rxe5 Nxe2 1/2-1/2

[Event "Dortmund Sparkassen op-B 47th"]
[Site "Dortmund"]
[Date "2019.07.17"]
[Round "5"]
[White "Koch, Arno"]
[Black "Kleinert, Andreas"]
[Result "0-1"]
[ECO "E06"]
[WhiteElo "1675"]
[BlackElo "1759"]
[PlyCount "98"]
[EventDate "2019.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 c5 3. Bg2 Nc6 4. c4 e6 5. d4 d5 6. cxd5 Nxd5 7. 0-0 Be7 8. e4 Nf6 9. e5 Nd5 10. Nc3 cxd4 11. Nxd5 exd5 12. Re1 Be6 13. Nxd4 Nxd4 14. Qxd4 Qd7 15. Be3 0-0 16. Red1 Rfd8 17. Rac1 b6 18. Qd2 Rac8 19. Rxc8 Qxc8 20. Bg5 Bxg5 21. Qxg5 h6 22. Qe3 Qa6 23. a3 Qa4 24. Rd4 Qc2 25. Qd2 Qb1+ 26. Bf1 Rc8 27. Kg2 Rc2 28. Qd3 Qxb2 29. Qe3 Rc1 30. Rd2 Qa1 31. Ba6 Re1 32. Be2 Rc1 33. f4 Rc3 34. Qf2 Qxa3 35. f5 Bc8 36. g4 Qc5 37. Qf4 Bb7 38. Bf3 Rc2 39. Rxc2 Qxc2+ 40. Kg3 Qc7 41. h4 b5 42. g5 Qc4 43. e6 Qxf4+ 44. Kxf4 hxg5+ 45. hxg5 fxe6 46. fxe6 Kf8 47. Kf5 b4 48. e7+ Kxe7 49. Kg6 Kf8 0-1

[Event "Dortmund Sparkassen op-B 47th"]
[Site "Dortmund"]
[Date "2019.07.16"]
[Round "4"]
[White "Lin, Ying Rui"]
[Black "Koch, Arno"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1819"]
[BlackElo "1675"]
[PlyCount "63"]
[EventDate "2019.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 Nd7 5. Nf3 e6 6. Bd3 Ne7 7. 0-0 b6 8. Qe2 a6 9. Bd2 Bb7 10. e5 0-0 11. Rae1 d5 12. Nd1 c5 13. c3 b5 14. g4 cxd4 15. cxd4 Nb6 16. Ne3 Nc4 17. Bc1 f5 18. gxf5 Nxe3 19. Bxe3 Nxf5 20. Bd2 Qb6 21. Bxf5 Rxf5 22. Qd3 a5 23. Rc1 b4 24. Rf2 Ba6 25. Qb1 Raf8 26. Rc5 R8f7 27. Qc1 Bb5 28. Ng5 Re7 29. Be3 Bh6 30. Rc8+ Kg7 31. Qc5 Qb7 32. Nxe6+ 1-0

[Event "Dortmund Sparkassen op-B 47th"]
[Site "Dortmund"]
[Date "2019.07.15"]
[Round "3"]
[White "Koch, Arno"]
[Black "Freiknecht, Axel"]
[Result "1-0"]
[ECO "A12"]
[WhiteElo "1675"]
[BlackElo "1873"]
[PlyCount "89"]
[EventDate "2019.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 Bf5 3. Nf3 h6 4. d3 e6 5. g3 Nf6 6. Bg2 Be7 7. 0-0 0-0 8. c4 c6 9. Nbd2 Nbd7 10. a3 Re8 11. b4 a5 12. Bc3 a4 13. Nd4 Bg6 14. N4f3 Qc7 15. cxd5 Nxd5 16. Bb2 Qd8 17. Nc4 N5b6 18. Rc1 Nxc4 19. Rxc4 Bf6 20. Bxf6 Qxf6 21. Qd2 e5 22. Nh4 Bh7 23. f4 Qd6 24. f5 b5 25. Rxc6 Qe7 26. Qc3 Rad8 27. Rc7 Qd6 28. Rc1 Nf6 29. Qb2 Qb6+ 30. R1c5 e4 31. R7c6 Qa7 32. d4 Qd7 33. e3 Nd5 34. Qf2 Qe7 35. Rxb5 Qg5 36. Rb7 Rc8 37. Rxc8 Rxc8 38. Bxe4 Rc1+ 39. Kg2 Ne7 40. Qf4 Rc8 41. Qxg5 hxg5 42. Rxe7 gxh4 43. b5 Kf8 44. Ra7 Rb8 45. gxh4 1-0

[Event "Dortmund Sparkassen op-B 47th"]
[Site "Dortmund"]
[Date "2019.07.14"]
[Round "2"]
[White "Koch, Arno"]
[Black "Lang, Nico"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1675"]
[BlackElo "1543"]
[PlyCount "77"]
[EventDate "2019.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 e5 3. c4 d4 4. d3 f5 5. Nh3 Nf6 6. Bg5 Nbd7 7. Qa4 c6 8. b4 a5 9. Bd2 Nb6 10. Qb3 axb4 11. Bxb4 c5 12. Bd2 Be7 13. Na3 Bd7 14. Nb5 Bc6 15. 0-0 0-0 16. a4 Bxg2 17. Kxg2 e4 18. Bf4 Nh5 19. Bc7 Qd7 20. Bxb6 exd3 21. Qxd3 Qc6+ 22. Qf3 Qxb6 23. Qxh5 Qe6 24. Rfc1 Rf6 25. Qf3 Qe4 26. Qxe4 fxe4 27. Nf4 Raf8 28. Rf1 R6f7 29. Nd5 Bd8 30. Nd6 Rd7 31. Nxe4 b6 32. Rfb1 Re8 33. f3 g5 34. Nxb6 Rb7 35. a5 g4 36. Nd5 gxf3+ 37. exf3 Rxb1 38. Rxb1 Bxa5 39. Nef6+ 1-0

[Event "Dortmund Sparkassen op-B 47th"]
[Site "Dortmund"]
[Date "2019.07.13"]
[Round "1"]
[White "Nasoyan, Maksim"]
[Black "Koch, Arno"]
[Result "1-0"]
[ECO "A42"]
[WhiteElo "1963"]
[BlackElo "1675"]
[PlyCount "73"]
[EventDate "2019.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. Nf3 g6 2. c4 Bg7 3. e4 d6 4. Nc3 Nd7 5. d4 e6 6. Be3 Ne7 7. Qd2 h6 8. Be2 b6 9. d5 e5 10. Qc2 f5 11. exf5 gxf5 12. g4 Nf6 13. g5 Ng4 14. Bd2 e4 15. gxh6 Bxh6 16. Nd4 Bg7 17. Bxg4 Bxd4 18. Be2 Bd7 19. h4 Ng6 20. Bg5 Bf6 21. Bxf6 Qxf6 22. h5 0-0-0 23. 0-0-0 Nf4 24. Qd2 Qe5 25. Rdg1 Rh6 26. Rh4 Nxe2+ 27. Nxe2 Qf6 28. Rgh1 Rdh8 29. Nf4 Be8 30. Qd1 Qe5 31. Qd2 Bxh5 32. Ne6 Rxe6 33. dxe6 Qxe6 34. Qd5 Qh6+ 35. Kb1 Kd8 36. Qa8+ Kd7 37. Rxh5 1-0

[Event "Lueneburg op-A"]
[Site "Lueneburg"]
[Date "2017.07.15"]
[Round "8"]
[White "Colbow, Collin"]
[Black "Koch, Arno"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1965"]
[BlackElo "1782"]
[PlyCount "37"]
[EventDate "2017.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 b6 3. Nc3 Bb7 4. Bd3 g6 5. f4 Bg7 6. Nf3 d6 7. Be3 Ne7 8. Qe2 Nd7 9. 0-0 0-0 10. Rad1 a6 11. e5 Bxf3 12. Rxf3 b5 13. Rh3 f5 14. exd6 cxd6 15. Bf2 e5 16. dxe5 dxe5 17. Nxb5 axb5 18. Bxb5 Rxa2 19. Qc4+ 1-0

[Event "Lueneburg op-A"]
[Site "Lueneburg"]
[Date "2017.07.13"]
[Round "6"]
[White "Erofeev, Anastasia"]
[Black "Koch, Arno"]
[Result "1-0"]
[ECO "E65"]
[WhiteElo "1968"]
[BlackElo "1782"]
[PlyCount "85"]
[EventDate "2017.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. d4 g6 2. g3 Bg7 3. Bg2 d6 4. Nf3 Nd7 5. c4 c5 6. Nc3 Ngf6 7. 0-0 0-0 8. d5 Nb6 9. Qd3 e5 10. Nh4 Nh5 11. e4 f5 12. exf5 Bxf5 13. Qe2 Nf6 14. Nxf5 gxf5 15. Bh3 Ne8 16. f4 e4 17. Nd1 Qf6 18. Ne3 Qg6 19. Kh1 Bd4 20. g4 Qh6 21. Bg2 Ng7 22. Nxf5 Nxf5 23. gxf5 Rxf5 24. Qg4+ Qg6 25. Qxg6+ hxg6 26. Bxe4 Rf6 27. Bd3 Na4 28. Rb1 a6 29. Kg2 Rb8 30. Bc2 b5 31. Bxa4 bxa4 32. Re1 Kf7 33. b3 axb3 34. Rxb3 Rb4 35. Rxb4 cxb4 36. Bd2 Bc5 37. h4 a5 38. Kg3 Rf5 39. Be3 Bxe3 40. Rxe3 Rf6 41. a3 Kg7 42. axb4 Rf7 43. bxa5 1-0

[Event "Lueneburg op-A"]
[Site "Lueneburg"]
[Date "2017.07.10"]
[Round "3"]
[White "Koch, Arno"]
[Black "Brandt, Carina"]
[Result "0-1"]
[ECO "B25"]
[WhiteElo "1782"]
[BlackElo "2060"]
[PlyCount "96"]
[EventDate "2017.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. g3 g6 2. Bg2 Bg7 3. f4 Nf6 4. e4 d6 5. Nc3 c5 6. Nf3 Nc6 7. d3 Rb8 8. a4 0-0 9. 0-0 a6 10. Re1 Nd7 11. Be3 b5 12. axb5 axb5 13. d4 b4 14. Ne2 Qc7 15. c3 Na5 16. cxb4 Nc4 17. Nc3 Nxe3 18. Rxe3 cxd4 19. Nd5 Qb7 20. Rd3 e5 21. Rda3 Nf6 22. Ra7 Qb5 23. Bf1 Qe8 24. Re7 Qd8 25. Raa7 Nxd5 26. exd5 Qb6 27. fxe5 dxe5 28. Bc4 Bf6 29. Rec7 Bb7 30. Raxb7 Rxb7 31. Rc6 Qxb4 32. b3 Rb6 33. Rc7 Qd6 34. Ra7 e4 35. Nd2 Re8 36. Qg4 h5 37. Qh3 e3 38. Nf3 e2 39. Ne1 d3 40. Nxd3 e1Q+ 41. Nxe1 Rxe1+ 42. Kf2 Qe5 43. Qc8+ Qe8 44. Qxe8+ Rxe8 45. d6 Rxd6 46. Bxf7+ Kf8 47. Rb7 Bd4+ 48. Kf1 Rf6+ 0-1

[Event "Saarland-ch A 85th"]
[Site "Homburg"]
[Date "2010.04.03"]
[Round "9"]
[White "Aubertin, Tim"]
[Black "Koch, Arno"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1987"]
[BlackElo "1634"]
[PlyCount "95"]
[EventDate "2010.03.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. b4 d5 2. Bb2 Nf6 3. e3 e6 4. a3 Bd6 5. c4 c6 6. Nc3 Nbd7 7. c5 Bc7 8. Nf3 e5 9. d3 0-0 10. Be2 Ng4 11. h3 Nh6 12. Qc2 f5 13. 0-0-0 a5 14. Rdg1 axb4 15. axb4 b6 16. Na4 bxc5 17. Nxc5 Qe7 18. d4 e4 19. Nd2 Nxc5 20. dxc5 Be5 21. Bxe5 Qxe5 22. Qb2 Qxb2+ 23. Kxb2 g5 24. g3 Nf7 25. Ra1 Bb7 26. Rxa8 Rxa8 27. Ra1 Rxa1 28. Kxa1 Bc8 29. Kb2 f4 30. g4 h5 31. gxh5 Bxh3 32. b5 cxb5 33. Bxb5 fxe3 34. fxe3 g4 35. Nf1 Ne5 36. Ng3 Bg2 37. c6 Nf7 38. Kc3 Nd6 39. Ba6 Ne8 40. Kd4 Nc7 41. Bc8 Bf3 42. Kc5 Bd1 43. Kd6 d4 44. exd4 e3 45. Kxc7 e2 46. Nxe2 Bxe2 47. Bxg4 Bxg4 48. d5 1-0

[Event "Saarland-ch A 85th"]
[Site "Homburg"]
[Date "2010.04.02"]
[Round "8"]
[White "Koch, Arno"]
[Black "Pohl, Thomas"]
[Result "1-0"]
[ECO "D13"]
[WhiteElo "1634"]
[BlackElo "1675"]
[PlyCount "59"]
[EventDate "2010.03.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c6 3. Nc3 d5 4. cxd5 cxd5 5. d4 Nc6 6. e3 Bg4 7. Be2 e6 8. h3 Bh5 9. 0-0 Be7 10. a3 0-0 11. Bd2 a6 12. Na4 Ne4 13. Be1 b5 14. Nc3 Bg6 15. Nxe4 Bxe4 16. Nd2 Bg6 17. Nb3 b4 18. Nc5 a5 19. Qa4 Rc8 20. axb4 axb4 21. Bxb4 Nxb4 22. Qxb4 Qc7 23. Rfc1 Rb8 24. Qd2 Qd6 25. Ra6 Qd8 26. b4 Bd6 27. b5 Re8 28. Na4 Bc7 29. Rcc6 Qc8 30. b6 1-0

[Event "Saarland-ch A 85th"]
[Site "Homburg"]
[Date "2010.04.01"]
[Round "7"]
[White "Kluge, Robert"]
[Black "Koch, Arno"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "1581"]
[BlackElo "1634"]
[PlyCount "11"]
[EventDate "2010.03.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 f5 2. h3 Nf6 3. g4 fxg4 4. hxg4 Nxg4 5. Qd3 Nf6 6. Rxh7 1-0

[Event "Saarland-ch A 85th"]
[Site "Homburg"]
[Date "2010.03.31"]
[Round "6"]
[White "Koch, Arno"]
[Black "Hoefer, Michael"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "1634"]
[BlackElo "1430"]
[PlyCount "70"]
[EventDate "2010.03.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. c4 e5 2. g3 f5 3. Bg2 Nf6 4. Nc3 Bb4 5. a3 Bxc3 6. bxc3 d6 7. d4 0-0 8. Qc2 c6 9. Nh3 h6 10. f3 Be6 11. Nf2 Bxc4 12. Qxf5 exd4 13. cxd4 Re8 14. Ne4 Nbd7 15. 0-0 Qb6 16. Be3 Bxe2 17. Rfb1 Qc7 18. Qg6 Nxe4 19. fxe4 Nf8 20. Qf5 Re7 21. Qf2 Bd3 22. Rb4 a5 23. Rb2 Bxe4 24. Bxe4 Rxe4 25. Rab1 Rb8 26. Qf3 Qe7 27. Bf2 Re6 28. Qc3 Nh7 29. Qxa5 Ng5 30. Qa7 Rf8 31. Rxb7 Qf6 32. R7b2 Nh3+ 33. Kg2 Nxf2 34. h3 Qf5 35. g4 Qf3+ 0-1

[Event "Saarland-ch A 85th"]
[Site "Homburg"]
[Date "2010.03.30"]
[Round "5"]
[White "Koch, Arno"]
[Black "Welter, Bernhard"]
[Result "1/2-1/2"]
[ECO "A38"]
[WhiteElo "1634"]
[BlackElo "1659"]
[PlyCount "60"]
[EventDate "2010.03.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 c5 6. Nc3 Nc6 7. d3 d6 8. Rb1 Rb8 9. Bd2 Bd7 10. Qc1 Re8 11. Nd5 Nxd5 12. cxd5 Nd4 13. Nxd4 Bxd4 14. Bc3 Bxc3 15. bxc3 b5 16. e3 Qa5 17. f4 b4 18. cxb4 cxb4 19. Rf2 Rec8 20. Rc2 Qb6 21. Kf2 a5 22. Ke2 Rxc2+ 23. Qxc2 Rc8 24. Qb2 Qc5 25. Kd2 Qc3+ 26. Qxc3 Rxc3 27. Rb3 Rc7 28. Bf3 Ba4 29. Rb2 Rc3 30. g4 f6 1/2-1/2

[Event "Saarland-ch A 85th"]
[Site "Homburg"]
[Date "2010.03.29"]
[Round "4"]
[White "Holle, Cedric"]
[Black "Koch, Arno"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1734"]
[BlackElo "1634"]
[PlyCount "55"]
[EventDate "2010.03.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. Nf3 Bg4 5. h3 Bh5 6. c4 Nb6 7. Nc3 e5 8. g4 exd4 9. Nxd4 Bg6 10. Bf4 Na6 11. Bg2 Nc5 12. Qe2+ Qe7 13. 0-0 Qxe2 14. Ncxe2 0-0-0 15. Nb5 a6 16. Bxc7 axb5 17. Bxb6 Rd2 18. cxb5 Rxb2 19. Nc3 Nd7 20. Bd4 f6 21. Rac1 Kb8 22. Rfd1 Bc5 23. Na4 Bxd4 24. Rxd4 Rc2 25. Rxc2 Bxc2 26. Rxd7 Bxa4 27. Rxb7+ Kc8 28. Ra7 1-0

[Event "Saarland-ch A 85th"]
[Site "Homburg"]
[Date "2010.03.28"]
[Round "1"]
[White "Fiedler, Robert"]
[Black "Koch, Arno"]
[Result "1-0"]
[ECO "A85"]
[WhiteElo "1783"]
[BlackElo "1634"]
[PlyCount "99"]
[EventDate "2010.03.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 f5 2. c4 g6 3. Nc3 Nf6 4. Nf3 Bg7 5. Bf4 d6 6. e3 c6 7. Bd3 Na6 8. a3 Bd7 9. 0-0 0-0 10. Qe2 Nc7 11. Rac1 Qe8 12. c5 Ne6 13. cxd6 Nxf4 14. exf4 exd6 15. Rfe1 Qxe2 16. Rxe2 Rae8 17. Rce1 Rxe2 18. Rxe2 Re8 19. Rxe8+ Bxe8 20. g3 Bf7 21. Ng5 Bb3 22. Nf3 Nd7 23. Nd2 Bf7 24. Ne2 b5 25. b3 Nb6 26. Kf1 a5 27. Ke1 Nd5 28. Kd1 Nc7 29. Kc2 Bd5 30. a4 bxa4 31. bxa4 c5 32. dxc5 dxc5 33. Bc4 Kf7 34. Bxd5+ Nxd5 35. Nb3 Nb6 36. Nxc5 Bf8 37. Nb3 Nxa4 38. Nxa5 Nb6 39. Kd3 Nd7 40. f3 Bg7 41. Nc6 Bf6 42. Kc4 Bg7 43. Kd5 Nb6+ 44. Kc5 Nc8 45. Ne5+ Ke8 46. Nd4 Bf8+ 47. Kc6 Ba3 48. Nc4 Ne7+ 49. Kb5 Bc1 50. Ne2 1-0

[Event "Saarland-ch A 85th"]
[Site "Homburg"]
[Date "2010.03.28"]
[Round "2"]
[White "Koch, Arno"]
[Black "Spindler, Jean Luc"]
[Result "0-1"]
[ECO "A17"]
[WhiteElo "1634"]
[BlackElo "1586"]
[PlyCount "68"]
[EventDate "2010.03.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. Nf3 e6 2. c4 g6 3. g3 Bg7 4. Bg2 Nf6 5. Nc3 d5 6. cxd5 exd5 7. d4 0-0 8. 0-0 c6 9. Bg5 h6 10. Bd2 Be6 11. Rc1 Ne4 12. e3 f5 13. Ne1 Nd7 14. Nd3 Kh7 15. Be1 Rc8 16. Na4 h5 17. Bb4 Rf7 18. f3 Nef6 19. Rf2 Bf8 20. Bd2 Bh6 21. Qb3 Re7 22. Re1 Bg8 23. Rfe2 b6 24. Bb4 c5 25. dxc5 d4 26. Qd1 bxc5 27. Naxc5 Nxc5 28. Bxc5 Rxe3 29. Rxe3 Bxe3+ 30. Kf1 Bc4 31. Bxa7 Qa5 32. Rxe3 dxe3 33. Bxe3 Rd8 34. Bd2 Qa7 0-1

[Event "Saarland-ch A 85th"]
[Site "Homburg"]
[Date "2010.03.28"]
[Round "3"]
[White "Reinstaedler, Georg"]
[Black "Koch, Arno"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1624"]
[BlackElo "1634"]
[PlyCount "64"]
[EventDate "2010.03.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nc3 Nxd5 4. Nge2 e5 5. d3 Nc6 6. Nxd5 Qxd5 7. Nc3 Bb4 8. Bd2 Qd8 9. Be2 0-0 10. a3 Ba5 11. b4 Bb6 12. Na4 Re8 13. 0-0 Nd4 14. Be3 Nxe2+ 15. Qxe2 Bxe3 16. fxe3 a5 17. Nc5 Ra7 18. Qf2 Qe7 19. d4 b6 20. Nd3 e4 21. Ne5 Qe6 22. Nxf7 Ba6 23. d5 Qe7 24. d6 cxd6 25. bxa5 bxa5 26. Nxd6 Qxd6 27. Rfd1 Qe5 28. Rd4 Rf7 29. Qd2 Ref8 30. c4 Bxc4 31. Rxc4 Qxa1+ 32. Rc1 Rf1+ 0-1

[Event "Saarland-ch A"]
[Site "Eppelborn"]
[Date "2008.03.22"]
[Round "9"]
[White "Noll, Sonja"]
[Black "Koch, Arno"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "1994"]
[BlackElo "1671"]
[PlyCount "51"]
[EventDate "2008.03.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 c5 3. e3 Nf6 4. d4 c4 5. Be2 g6 6. Ne5 Ne4 7. Nd2 Nd6 8. 0-0 f6 9. Ng4 h5 10. Nf2 Bf5 11. c3 Nc6 12. b3 Qa5 13. Bb2 b5 14. a4 b4 15. cxb4 Qxb4 16. Ba3 Qa5 17. Bxd6 c3 18. Bb5 Rc8 19. b4 Qd8 20. Bc5 cxd2 21. Bxa7 Kf7 22. Bc5 Nxb4 23. Bxb4 e5 24. Bxf8 Qa5 25. Bc5 exd4 26. exd4 1-0

[Event "Saarland-ch A"]
[Site "Eppelborn"]
[Date "2008.03.21"]
[Round "8"]
[White "Koch, Arno"]
[Black "Gietzen, Daniel"]
[Result "1-0"]
[ECO "A38"]
[BlackElo "1901"]
[PlyCount "105"]
[EventDate "2008.03.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nc3 Nf6 6. 0-0 0-0 7. d3 d6 8. Bd2 Rb8 9. e3 Bf5 10. e4 Bg4 11. h3 Be6 12. Nd5 Qc8 13. Kh2 b5 14. Qc2 Re8 15. Rab1 Nd7 16. b3 Nde5 17. Nxe5 Nxe5 18. Bc3 b4 19. Bxe5 Bxe5 20. f4 Bd4 21. Rbe1 Bd7 22. Qe2 a5 23. e5 Bc6 24. Bf3 Bxd5 25. Bxd5 e6 26. Bf3 dxe5 27. fxe5 Qc7 28. Qe4 Bc3 29. Re2 Red8 30. Bg4 Rd4 31. Qf3 Qd7 32. Ref2 Rb7 33. Bxe6 Qxe6 34. Qxb7 Rxd3 35. Qxf7+ Qxf7 36. Rxf7 Bxe5 37. R7f3 Rd2+ 38. R1f2 Rd1 39. h4 Bd4 40. Re2 Bg1+ 41. Kh3 Bd4 42. Kg4 Rc1 43. Kf4 a4 44. bxa4 Rxc4 45. Ke4 Bg1+ 46. Kd5 Rd4+ 47. Kc6 Rd8 48. a5 Ra8 49. Kb5 Rb8+ 50. Ka4 Bd4 51. a3 Bc3 52. Rfe3 Rf8 53. Re8 1-0

[Event "Saarland-ch A"]
[Site "Eppelborn"]
[Date "2008.03.20"]
[Round "7"]
[White "Koch, Arno"]
[Black "Philippi, Edwin"]
[Result "1-0"]
[ECO "A87"]
[PlyCount "73"]
[EventDate "2008.03.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. Nf3 f5 2. c4 Nf6 3. Nc3 g6 4. g3 Bg7 5. Bg2 0-0 6. 0-0 d6 7. d4 Qe8 8. d5 a5 9. Bd2 Bd7 10. Qc1 Na6 11. Bh6 Nc5 12. Bxg7 Kxg7 13. Nd2 e5 14. f3 Rb8 15. Nb3 b6 16. Nxc5 bxc5 17. a4 c6 18. dxc6 Bxc6 19. Rd1 Qe7 20. e4 Ne8 21. Nb5 Kg8 22. Qc3 Ra8 23. Rd3 Rf6 24. Rad1 Ra6 25. Qd2 Bd7 26. b3 Kg7 27. Nc3 Nc7 28. f4 Re6 29. fxe5 Rxe5 30. Rxd6 Rxd6 31. Qxd6 Qxd6 32. Rxd6 Re7 33. Nd5 Nxd5 34. exd5 Be8 35. Ra6 Re3 36. d6 Rd3 37. Bd5 1-0

[Event "Saarland-ch A"]
[Site "Eppelborn"]
[Date "2008.03.20"]
[Round "6"]
[White "Morenko, Dmitrij"]
[Black "Koch, Arno"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2282"]
[PlyCount "84"]
[EventDate "2008.03.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 g6 2. c3 d5 3. Nd2 Bg7 4. e4 dxe4 5. Nxe4 e5 6. dxe5 Qxd1+ 7. Kxd1 Bxe5 8. Nf3 Bg4 9. Be2 Bxf3 10. Bxf3 Nd7 11. Re1 0-0-0 12. Kc2 f6 13. Be3 Ne7 14. Nc5 Nxc5 15. Bxc5 Rd7 16. Rad1 Bd6 17. Bd4 Rf8 18. Re6 f5 19. h3 Rf7 20. b4 b6 21. a4 c5 22. bxc5 bxc5 23. Be3 Kc7 24. Rb1 Nc6 25. Bg5 Nd8 26. Re8 Rf8 27. Re2 Nc6 28. Bd5 Nd8 29. Bh6 Rh8 30. Bg5 h6 31. Bc1 Re7 32. Rxe7+ Bxe7 33. Bf4+ Bd6 34. Be3 g5 35. Kd3 Nc6 36. Rb5 Ne5+ 37. Kc2 Rb8 38. Ra5 Kb6 39. Rb5+ Kc7 40. Rxb8 Kxb8 41. Bc1 Kc7 42. Bb2 Nd7 1/2-1/2

[Event "Saarland-ch A"]
[Site "Eppelborn"]
[Date "2008.03.17"]
[Round "4"]
[White "Gergs, Raphael"]
[Black "Koch, Arno"]
[Result "1-0"]
[ECO "A25"]
[PlyCount "60"]
[EventDate "2008.03.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nc6 3. Bg2 f5 4. Nc3 Nf6 5. d3 g6 6. a3 Bg7 7. b4 Ne7 8. Qb3 c6 9. Bg5 h6 10. Bxf6 Bxf6 11. e3 d6 12. Nge2 g5 13. Rb1 Be6 14. 0-0 a6 15. d4 e4 16. d5 Bd7 17. f3 exf3 18. Bxf3 0-0 19. c5 Kg7 20. cxd6 Ng6 21. Rbd1 Re8 22. dxc6 bxc6 23. Na4 Ne5 24. Bh5 Ng6 25. Nc5 f4 26. exf4 Rxe2 27. Bxe2 Bh3 28. f5 Nf8 29. Rf2 Ra7 30. Bh5 Qc8 1-0

[Event "Saarland-ch A"]
[Site "Eppelborn"]
[Date "2008.03.17"]
[Round "3"]
[White "Koch, Arno"]
[Black "Grewenig, Jan"]
[Result "1/2-1/2"]
[ECO "B21"]
[PlyCount "94"]
[EventDate "2008.03.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. f4 c5 2. e4 Nc6 3. Nf3 d6 4. g3 Bg4 5. c3 g6 6. Bg2 Bg7 7. a4 Qb6 8. Na3 Na5 9. Rb1 Nf6 10. b4 cxb4 11. cxb4 Nc6 12. Nc4 Qc7 13. d3 Nd4 14. Bb2 Nxf3+ 15. Bxf3 Bxf3 16. Qxf3 0-0 17. 0-0 Rac8 18. Ne3 Qb6 19. Kg2 Qa6 20. Qd1 Qb6 21. Kf3 Rfd8 22. Qb3 e6 23. g4 d5 24. e5 Ne8 25. d4 Bf8 26. Ba1 Rd7 27. b5 Qd8 28. Kg3 b6 29. Bb2 Rdc7 30. Rfc1 Be7 31. Rxc7 Rxc7 32. Rc1 Qc8 33. Rxc7 Qxc7 34. Nc2 Bd8 35. Nb4 Qe7 36. g5 Ng7 37. Nc6 Nf5+ 38. Kf3 Qd7 39. Qb4 Be7 40. Qc3 Bf8 41. Ba3 Bxa3 42. Qxa3 Qc7 43. Kg4 Kg7 44. Kf3 Kg8 45. Ke2 a5 46. Kd3 Kg7 47. Qc3 Kf8 1/2-1/2

[Event "Saarland-ch A"]
[Site "Eppelborn"]
[Date "2008.03.17"]
[Round "5"]
[White "Koch, Arno"]
[Black "Preiss, Vincent"]
[Result "1-0"]
[ECO "C30"]
[PlyCount "89"]
[EventDate "2008.03.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. f4 e5 2. fxe5 d6 3. e4 dxe5 4. Nf3 f5 5. exf5 e4 6. Qe2 Qe7 7. Nd4 c5 8. Ne6 Bxe6 9. fxe6 Qxe6 10. Nc3 Nf6 11. d3 Nc6 12. Nxe4 Nxe4 13. Qxe4 Qxe4+ 14. dxe4 Nd4 15. Bd3 c4 16. c3 Nf3+ 17. gxf3 cxd3 18. Be3 Be7 19. Kd2 0-0 20. Rhf1 Bd6 21. f4 Rad8 22. e5 Bc7 23. Bd4 Rf5 24. Kxd3 g5 25. fxg5 Rxe5 26. h4 Red5 27. Rae1 Bb6 28. Re4 Bxd4 29. Rxd4 Rxd4+ 30. cxd4 Kg7 31. Rf6 Rd7 32. Kc4 Rc7+ 33. Kd5 Rc2 34. Ke6 Re2+ 35. Kd6 Rxb2 36. d5 Rd2 37. Ke6 Rxa2 38. Rf7+ Kg6 39. Rxb7 h6 40. d6 hxg5 41. hxg5 Kxg5 42. d7 Re2+ 43. Kd6 Rd2+ 44. Kc7 Rc2+ 45. Kb8 1-0

[Event "Saarland-ch A"]
[Site "Eppelborn"]
[Date "2008.03.16"]
[Round "2"]
[White "Wild, Achim"]
[Black "Koch, Arno"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1870"]
[PlyCount "60"]
[EventDate "2008.03.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 Nd7 5. Be3 e6 6. Qd2 h6 7. Bd3 Ne7 8. g4 b6 9. 0-0-0 a6 10. g5 h5 11. Nh4 e5 12. dxe5 Nxe5 13. f4 Nxd3+ 14. Qxd3 Bb7 15. Rhf1 Nc6 16. Nd5 a5 17. Qd2 Nb4 18. Bd4 Nxd5 19. exd5 Bxd4 20. Qxd4 0-0 21. f5 Qxg5+ 22. Kb1 Qg4 23. Rf4 Qe2 24. Qg1 Rae8 25. fxg6 f6 26. Nf5 Re5 27. g7 Rfe8 28. Nh6+ Kh7 29. g8Q+ Rxg8 30. Qxg8+ Kxh6 1-0

[Event "Saarland-ch A"]
[Site "Eppelborn"]
[Date "2008.03.14"]
[Round "1"]
[White "Koch, Arno"]
[Black "Grewenig, Paul"]
[Result "0-1"]
[ECO "A38"]
[PlyCount "44"]
[EventDate "2008.03.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nc3 Nf6 6. 0-0 0-0 7. d3 d6 8. Bg5 a6 9. Qd2 Rb8 10. Bh6 Bd7 11. Bxg7 Kxg7 12. Ng5 b5 13. b3 h6 14. Nge4 Ne8 15. f4 f5 16. Nf2 Nf6 17. e4 Qa5 18. Qb2 Nd4 19. e5 Qxc3 20. exf6+ Rxf6 21. Qxc3 Ne2+ 22. Kh1 Nxc3 0-1

[Event "Saarland-ch A"]
[Site "Saarlouis Steinrausch"]
[Date "2005.03.26"]
[Round "9"]
[White "Becker, Carsten"]
[Black "Koch, Arno"]
[Result "1/2-1/2"]
[ECO "A42"]
[WhiteElo "1603"]
[BlackElo "1674"]
[PlyCount "24"]
[EventDate "2005.03.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nc6 5. Be3 e5 6. d5 Nce7 7. Bd3 f5 8. exf5 Bxf5 9. Nge2 Nf6 10. 0-0 0-0 11. Ng3 Bxd3 12. Qxd3 Qd7 1/2-1/2

[Event "Saarland-ch A"]
[Site "Saarlouis Steinrausch"]
[Date "2005.03.25"]
[Round "8"]
[White "Koch, Arno"]
[Black "Stolz, Dieter"]
[Result "1-0"]
[ECO "A12"]
[WhiteElo "1674"]
[BlackElo "1754"]
[PlyCount "77"]
[EventDate "2005.03.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 c6 3. d3 Bg4 4. Nd2 Nf6 5. Ngf3 e6 6. b3 Nbd7 7. Bb2 Bd6 8. c4 0-0 9. 0-0 Qe7 10. d4 b6 11. Ne5 Rac8 12. f3 Bh5 13. a3 c5 14. e3 Rfd8 15. g4 Bg6 16. cxd5 Nxd5 17. Nxg6 hxg6 18. Qe1 cxd4 19. Bxd4 Rc2 20. f4 Bxa3 21. Be4 Rc7 22. Nf3 N5f6 23. Bd3 Nxg4 24. Qg3 Ngf6 25. f5 Bd6 26. Qh4 exf5 27. Ng5 Be5 28. Bc4 Rf8 29. Rf3 Bxd4 30. exd4 Nh5 31. Re1 Qd8 32. Rfe3 Ndf6 33. Nf3 Ng4 34. Qxd8 Rxd8 35. Re7 Rxe7 36. Rxe7 Nh6 37. Rxa7 Nf4 38. Rb7 Rd6 39. Rb8+ 1-0

[Event "Saarland-ch A"]
[Site "Saarlouis Steinrausch"]
[Date "2005.03.24"]
[Round "7"]
[White "Spektorov, Leonid"]
[Black "Koch, Arno"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "1767"]
[BlackElo "1674"]
[PlyCount "85"]
[EventDate "2005.03.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 d6 2. d4 g6 3. Bg5 Bg7 4. e3 Nd7 5. Bc4 h6 6. Bh4 g5 7. Bg3 e6 8. Nc3 a6 9. h4 g4 10. Nd2 d5 11. Qxg4 Kf8 12. Bd3 Ne7 13. Qe2 c5 14. dxc5 Nxc5 15. Nb3 Nxd3+ 16. cxd3 Bd7 17. d4 b6 18. h5 Nf5 19. Bf4 Bf6 20. g4 Ng7 21. 0-0-0 Ne8 22. Nd2 b5 23. Qe1 b4 24. Ne2 Bb5 25. Nf3 a5 26. Kb1 Nd6 27. Bxd6+ Qxd6 28. Nc1 Rc8 29. Nd3 Be7 30. Nfe5 Rg8 31. f4 f6 32. Ng6+ Kf7 33. Qf2 Qa6 34. Ne1 a4 35. g5 a3 36. b3 Rc3 37. gxh6 Rgc8 38. Qd2 Be2 39. h7 Bxd1 40. h8Q Rc1+ 41. Qxc1 Rxc1+ 42. Kxc1 Qe2 43. Qh7+ 1-0

[Event "Saarland-ch A"]
[Site "Saarlouis Steinrausch"]
[Date "2005.03.23"]
[Round "6"]
[White "Koch, Arno"]
[Black "Rech, Hermann"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1674"]
[BlackElo "1757"]
[PlyCount "85"]
[EventDate "2005.03.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. g3 g6 2. Bg2 Bg7 3. e4 e5 4. Ne2 d6 5. 0-0 Nc6 6. f4 f5 7. d3 Nge7 8. fxe5 Bxe5 9. d4 Bg7 10. Nbc3 0-0 11. Bg5 h6 12. Be3 fxe4 13. Bxe4 Bh3 14. Rxf8+ Qxf8 15. Nf4 Bf5 16. g4 Bxe4 17. Nxe4 Qf7 18. c3 g5 19. Ng2 Ng6 20. Ng3 Nf4 21. Bxf4 gxf4 22. Nf5 Ne7 23. Ngh4 Kh7 24. Qf3 Ng6 25. Nxg6 Qxg6 26. Qxf4 Rf8 27. Rf1 Qg5 28. Qxg5 hxg5 29. Nxg7 Rxf1+ 30. Kxf1 Kxg7 31. Kg2 d5 32. b3 Kf6 33. Kg3 b6 34. a4 c5 35. h4 a5 36. hxg5+ Kxg5 37. Kf3 Kf6 38. Kf4 Ke6 39. g5 Kf7 40. Ke5 c4 41. bxc4 dxc4 42. d5 b5 43. Kd4 1-0

[Event "Saarland-ch A"]
[Site "Saarlouis Steinrausch"]
[Date "2005.03.22"]
[Round "5"]
[White "Waschke, Klaus Dieter"]
[Black "Koch, Arno"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1772"]
[BlackElo "1674"]
[PlyCount "122"]
[EventDate "2005.03.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 Nd7 5. Bc4 h6 6. Be3 e6 7. 0-0 Ne7 8. Qd2 a6 9. a4 b6 10. Ne1 Bb7 11. f4 Nf6 12. d5 exd5 13. exd5 Nf5 14. Nf3 Nxe3 15. Qxe3+ Qe7 16. Qd3 0-0 17. Rae1 Qd7 18. Nd4 Kh7 19. f5 g5 20. Ne6 Rfe8 21. Nxg7 Kxg7 22. Ne4 Qd8 23. Qd4 Re5 24. Ng3 Qe7 25. Rxe5 Qxe5 26. Qxe5 dxe5 27. Re1 Re8 28. Rd1 h5 29. Bb3 h4 30. Nf1 Rd8 31. c4 Ne4 32. Bc2 Nd6 33. Ne3 f6 34. b4 c5 35. dxc6 Bxc6 36. c5 bxc5 37. bxc5 Nb7 38. Rxd8 Nxd8 39. Nc4 Nb7 40. Kf2 Nxc5 41. Nb2 Kf7 42. g3 Ke7 43. gxh4 gxh4 44. Ke3 Kd6 45. Nc4+ Kc7 46. Nb2 Bd5 47. Bd3 Kb6 48. Bc4 Bc6 49. Be2 Bxa4 50. Nc4+ Kc6 51. Bh5 Bb5 52. Nxe5+ fxe5 53. f6 Kd6 54. Bf7 a5 55. Ba2 a4 56. Kf3 e4+ 57. Ke3 Bd3 58. Bg8 a3 59. Ba2 Na4 60. Kd4 Nb2 61. Ke3 Bc4 0-1

[Event "Saarland-ch A"]
[Site "Saarlouis Steinrausch"]
[Date "2005.03.21"]
[Round "4"]
[White "Kessler, Joerg"]
[Black "Koch, Arno"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1768"]
[BlackElo "1674"]
[PlyCount "31"]
[EventDate "2005.03.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. f4 d6 4. Nf3 Nd7 5. c3 c5 6. Bd3 Qb6 7. Qb3 Qxb3 8. axb3 cxd4 9. Nxd4 Ngf6 10. b4 a6 11. b5 Nc5 12. Bc2 e5 13. Nf3 Nfxe4 14. b4 exf4 15. bxc5 Nxc3 16. Bb2 1-0

[Event "Saarland-ch A"]
[Site "Saarlouis Steinrausch"]
[Date "2005.03.20"]
[Round "3"]
[White "Koch, Arno"]
[Black "Pitsch, Wolfgang"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1674"]
[BlackElo "1713"]
[PlyCount "70"]
[EventDate "2005.03.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. g3 Nf6 2. Bg2 d5 3. d3 c6 4. Nd2 Bg4 5. h3 Bh5 6. b3 Nbd7 7. g4 Bg6 8. e3 h6 9. Ne2 e6 10. Bb2 Nc5 11. Nf3 Ncd7 12. a3 Bd6 13. Nh4 Bh7 14. f4 Rg8 15. Qd2 Ne4 16. dxe4 Qxh4+ 17. Kd1 Qe7 18. e5 Bc5 19. Nd4 Bb6 20. b4 Bxd4 21. exd4 Nb6 22. Bf1 Be4 23. Rh2 Qh4 24. a4 Qg3 25. Qf2 Qxf2 26. Rxf2 g6 27. h4 Nc4 28. Bc1 Ke7 29. Bd3 f5 30. exf6+ Kxf6 31. Bxe4 dxe4 32. Re2 Nd6 33. c3 h5 34. Kc2 b5 35. axb5 cxb5 1/2-1/2

[Event "Saarland-ch A"]
[Site "Saarlouis Steinrausch"]
[Date "2005.03.19"]
[Round "2"]
[White "Kunz, Pawel"]
[Black "Koch, Arno"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1727"]
[BlackElo "1674"]
[PlyCount "55"]
[EventDate "2005.03.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bc4 e6 5. Nc3 Ne7 6. Be3 a6 7. a3 b6 8. Qd2 h6 9. Ne2 Nd7 10. Nf4 Nf6 11. Bd3 g5 12. Ne2 Bb7 13. Ng3 Ng6 14. e5 Ng4 15. h3 Nxe3 16. fxe3 h5 17. Ne4 g4 18. Nfg5 d5 19. Qf2 Qe7 20. Nf6+ Kd8 21. hxg4 hxg4 22. Rxh8+ Bxh8 23. Bxg6 fxg6 24. Ng8 Qxg5 25. Qf8+ Kd7 26. Qf7+ Kd8 27. 0-0-0 Qf5 28. Qe7+ 1-0

[Event "Saarland-ch A"]
[Site "Saarlouis Steinrausch"]
[Date "2005.03.18"]
[Round "1"]
[White "Koch, Arno"]
[Black "Dill, Karl"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "1674"]
[BlackElo "1756"]
[PlyCount "105"]
[EventDate "2005.03.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c6 2. f4 e6 3. Nf3 Nf6 4. e5 Nd5 5. d4 b5 6. Bd2 Be7 7. Bd3 Bb7 8. a3 a5 9. 0-0 g6 10. Nc3 Nxc3 11. bxc3 Na6 12. Qe2 Nc7 13. a4 Ba6 14. axb5 cxb5 15. Rxa5 0-0 16. Rfa1 d5 17. exd6 Qxd6 18. Ne5 Kg7 19. g3 f6 20. Ng4 Bb7 21. Rxa8 Rxa8 22. Rxa8 Bxa8 23. Bxb5 h5 24. Ne3 Qb6 25. Bd3 Qb7 26. Kf2 Qh1 27. Nf1 Bg2 28. h4 Kf7 29. c4 f5 30. Qe1 Bc6 31. Qe3 Ne8 32. Be2 Nf6 33. Bf3 Ng4+ 34. Bxg4 Qg2+ 35. Ke1 hxg4 36. Qf2 Qh1 37. Bc3 Bg2 38. c5 Ke8 39. Ke2 Bxf1+ 40. Qxf1 Qxf1+ 41. Kxf1 Kd7 42. Bb2 Kc6 43. c4 Bd8 44. Bc3 Bc7 45. Ke2 Bd8 46. Kd3 Bc7 47. d5+ exd5 48. Kd4 dxc4 49. Kxc4 Bd8 50. Be5 Be7 51. Bd4 Bxh4 52. gxh4 g3 53. Be5 1-0

[Event "GER Cup Amateur GrB 2nd"]
[Site "Voelklingen"]
[Date "2001.??.??"]
[Round "1"]
[White "Hauck, Bjoern"]
[Black "Koch, Arno"]
[Result "1-0"]
[ECO "A88"]
[WhiteElo "1896"]
[BlackElo "1792"]
[PlyCount "45"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 g6 2. g3 Bg7 3. Bg2 d6 4. d4 f5 5. c4 Nf6 6. Nc3 c6 7. 0-0 0-0 8. d5 e5 9. Rb1 a5 10. a3 Bd7 11. b4 axb4 12. axb4 e4 13. Nd4 Ne8 14. Bb2 Qb6 15. Ne6 Bxe6 16. dxe6 Qxb4 17. Nd5 Qxc4 18. Bxg7 Nxg7 19. Nc7 Ra2 20. e7 Rc8 21. Qxd6 Ne8 22. Qd8 Na6 23. Nxe8 1-0

[Event "GER Cup Amateur GrB 2nd"]
[Site "Voelklingen"]
[Date "2001.??.??"]
[Round "3"]
[White "Koch, Arno"]
[Black "Hiller, Joachim"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1792"]
[BlackElo "1830"]
[PlyCount "64"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. g3 c5 2. Bg2 Nc6 3. d3 Nf6 4. e4 e6 5. Nc3 Be7 6. f4 0-0 7. Nf3 d5 8. e5 Nd7 9. 0-0 Qb6 10. Na4 Qa6 11. b3 b5 12. Nb2 Bb7 13. a4 f6 14. exf6 Bxf6 15. Qe1 Rae8 16. c3 e5 17. Qd1 exf4 18. Bxf4 Bxc3 19. Qc2 b4 20. Bh3 Nd4 21. Nxd4 Bxd4+ 22. Kh1 Nf6 23. Rab1 c4 24. Bg2 Bxb2 25. Rxb2 cxd3 26. Qc5 Re2 27. Bd6 Rc8 28. Rxf6 gxf6 29. Bxd5+ Bxd5+ 30. Qxd5+ Kg7 31. Bf4 Rxb2 32. Qd7+ Kh8 0-1

[Event "GER Cup Amateur GrB 2nd"]
[Site "Voelklingen"]
[Date "2001.??.??"]
[Round "7"]
[White "Koch, Arno"]
[Black "Pook, Rainer"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1792"]
[BlackElo "1825"]
[PlyCount "65"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. g3 c6 2. Bg2 d5 3. d3 e5 4. c3 Bd6 5. Nd2 Be6 6. e4 Nf6 7. Ne2 Qd7 8. d4 Bh3 9. Bxh3 Qxh3 10. dxe5 Bxe5 11. f4 Bc7 12. e5 Ng4 13. Ng1 Ne3 14. Nxh3 Nxd1 15. Kxd1 Nd7 16. Nb3 h5 17. Be3 a5 18. Kc2 a4 19. Nd4 g6 20. Ng5 Ke7 21. Ndf3 a3 22. b4 Nb6 23. Bxb6 Bxb6 24. Rae1 c5 25. bxc5 Bxc5 26. Rd1 Rhd8 27. Rd3 Ra5 28. Rb1 Rd7 29. Nd4 f6 30. exf6+ Kxf6 31. Nb3 Rb5 32. Nxc5 Rxc5 33. Ne4+ 1-0

[Event "GER Cup Amateur GrB 2nd"]
[Site "Voelklingen"]
[Date "2001.??.??"]
[Round "4"]
[White "Koch, Arno"]
[Black "Schmitt, Adolf"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "1792"]
[BlackElo "1824"]
[PlyCount "107"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d3 e6 2. e4 d5 3. e5 c5 4. g3 Nc6 5. f4 Be7 6. Bg2 Bd7 7. Nf3 Qb6 8. c3 Nh6 9. Qb3 Na5 10. Qxb6 axb6 11. Na3 0-0 12. h3 Nf5 13. Kf2 g6 14. h4 h5 15. Bd2 b5 16. Nc2 Nc6 17. Ng5 f6 18. exf6 Rxf6 19. Rhe1 Nh6 20. Kg1 Kg7 21. Re2 Nd8 22. Bxd5 Nf5 23. Rae1 Ra6 24. Kh2 Bf8 25. Bg2 Rxa2 26. Bc1 Ra7 27. Bd2 c4 28. dxc4 bxc4 29. Nd4 Ra6 30. Nxf5+ Rxf5 31. Bh3 Rb5 32. Be3 Ra2 33. Bd4+ Kh6 34. Nxe6 Nxe6 35. Bxe6 Bxe6 36. Rxe6 Rbxb2+ 37. Kg1 Rg2+ 38. Kf1 Bg7 39. f5 Rxg3 40. Bxg7+ Kxg7 41. Re7+ Kf6 42. fxg6 Kxg6 43. R7e6+ Kf5 44. R1e4 Rf3+ 45. Ke1 Rc2 46. R6e5+ Kg6 47. Re6+ Rf6 48. Rxf6+ Kxf6 49. Rxc4 Kf5 50. Kd1 Rb2 51. Kc1 Rb6 52. Kd2 Rd6+ 53. Ke3 Rc6 54. Rf4+ 1/2-1/2

[Event "GER Cup Amateur GrB 2nd"]
[Site "Voelklingen"]
[Date "2001.??.??"]
[Round "8"]
[White "Koch, Arno"]
[Black "Trumm, Achim"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1792"]
[BlackElo "1805"]
[PlyCount "120"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. g3 Nc6 2. Bg2 d5 3. d3 Nf6 4. Bg5 e6 5. Nd2 h6 6. Bxf6 Qxf6 7. c3 Bd7 8. e4 d4 9. Qc2 e5 10. Ne2 Be7 11. 0-0 0-0 12. f4 dxc3 13. bxc3 Bc5+ 14. Kh1 Bb6 15. fxe5 Qxe5 16. Nc4 Qg5 17. Nxb6 axb6 18. Nf4 Ne5 19. Nd5 Rac8 20. Qe2 Bg4 21. Qc2 Kh8 22. Rf2 Be6 23. Qd2 Ng4 24. Rf4 Ne5 25. Raf1 Ng6 26. R4f2 Qxd2 27. Rxd2 b5 28. d4 c6 29. Nf4 Bc4 30. Nxg6+ fxg6 31. Rxf8+ Rxf8 32. d5 cxd5 33. exd5 Re8 34. h4 Rd8 35. d6 Rd7 36. Bxb7 Kg8 37. Bd5+ Bxd5+ 38. Rxd5 Kf7 39. Kg2 Ke6 40. Rd3 Kf5 41. Kf3 Ke5 42. Re3+ Kd5 43. Re7 Rxd6 44. Rxg7 Rc6 45. Ke2 Ke5 46. Kd3 Kf5 47. Re7 Ra6 48. Rb7 Kg4 49. Rxb5 Kxg3 50. Rb2 Kxh4 51. c4 g5 52. Ke4 g4 53. c5 g3 54. Kd5 Kh3 55. Rb6 Rxb6 56. cxb6 g2 57. b7 g1Q 58. b8Q Qg2+ 59. Kd4 Qxa2 60. Qc8+ Kh4 1/2-1/2

[Event "GER Cup Amateur GrB 2nd"]
[Site "Voelklingen"]
[Date "2001.??.??"]
[Round "6"]
[White "Kuhn, Heinz"]
[Black "Koch, Arno"]
[Result "0-1"]
[ECO "E60"]
[WhiteElo "1763"]
[BlackElo "1792"]
[PlyCount "64"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. b4 g6 2. Bb2 Nf6 3. c4 Bg7 4. e3 c6 5. Nf3 d6 6. d4 0-0 7. Nbd2 Re8 8. Qb3 Nbd7 9. a4 e5 10. dxe5 Nxe5 11. Nxe5 dxe5 12. 0-0-0 Qc7 13. h4 a5 14. Be2 axb4 15. h5 c5 16. hxg6 fxg6 17. Rh2 Bd7 18. Rdh1 Bxa4 19. Qd3 Red8 20. Qb1 Qd7 21. Nf3 e4 22. Bxf6 exf3 23. Bxd8 Rxd8 24. Bd3 Qxd3 25. Qxd3 Rxd3 26. gxf3 b3 27. Rxh7 b2+ 28. Kb1 Rd1+ 29. Rxd1 Bxd1 30. Rh3 Be2 31. Rh1 Bd3+ 32. Ka2 Bxc4+ 0-1

[Event "GER Cup Amateur GrB 2nd"]
[Site "Voelklingen"]
[Date "2001.??.??"]
[Round "9"]
[White "Kupsch, Wolfgang"]
[Black "Koch, Arno"]
[Result "0-1"]
[ECO "A42"]
[WhiteElo "1766"]
[BlackElo "1792"]
[PlyCount "100"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. c4 d6 4. Nc3 Nc6 5. Be3 e5 6. d5 Nce7 7. Bd3 f5 8. f3 Bh6 9. Bxh6 Nxh6 10. Qd2 Nf7 11. Nge2 f4 12. b4 g5 13. g3 Ng6 14. 0-0-0 Bh3 15. Ng1 Bd7 16. Qf2 c5 17. bxc5 Qa5 18. Qb2 0-0 19. Nge2 Rab8 20. gxf4 gxf4 21. h4 h5 22. Rdg1 Kh7 23. a3 Qxc5 24. Rf1 Rfc8 25. Qb4 Qe3+ 26. Kc2 a6 27. a4 b5 28. cxb5 axb5 29. Bxb5 Bxb5 30. axb5 Qxe2+ 31. Kb3 Qd3 32. Rc1 Qxf3 33. Rhf1 Rxc3+ 34. Qxc3 Qxc3+ 35. Kxc3 Rxb5 36. Ra1 Rc5+ 37. Kd3 Rc7 38. Ra6 Kh6 39. Rc6 Ra7 40. Rh1 Ra3+ 41. Kd2 Re3 42. Rc7 Kg7 43. Rc4 Rg3 44. Rc3 Rxc3 45. Kxc3 Nh6 46. Kd3 Ng4 47. Ke2 Kf6 48. Kf3 Ne3 49. Rh2 Nf1 50. Rh1 Nd2+ 0-1

[Event "GER Cup Amateur GrB 2nd"]
[Site "Voelklingen"]
[Date "2001.??.??"]
[Round "5"]
[White "Paschmann, Stefan"]
[Black "Koch, Arno"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1895"]
[BlackElo "1792"]
[PlyCount "35"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 g6 3. e4 Bg7 4. Nc3 Nd7 5. Be3 e5 6. Bc4 exd4 7. Bxd4 Bxd4 8. Qxd4 Qf6 9. 0-0-0 Qxd4 10. Rxd4 Ne7 11. Nb5 0-0 12. Nxc7 Rb8 13. Rxd6 Nb6 14. Bb3 Kg7 15. Nb5 Nc6 16. Nxa7 Bg4 17. Nxc6 bxc6 18. Ne5 1-0

[Event "GER Cup Amateur GrB 2nd"]
[Site "Voelklingen"]
[Date "2001.??.??"]
[Round "2"]
[White "Schmidt, Erhard"]
[Black "Koch, Arno"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "1870"]
[BlackElo "1792"]
[PlyCount "107"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. g3 e5 2. c4 Bc5 3. Bg2 Nf6 4. Nc3 a6 5. e3 Nc6 6. Nge2 0-0 7. 0-0 d6 8. d4 exd4 9. exd4 Ba7 10. Bg5 h6 11. Bf4 Bg4 12. Qd2 Nh5 13. Be3 Qd7 14. Nd5 Be6 15. Bf3 Bg4 16. Bxg4 Qxg4 17. Nxc7 Rac8 18. Nd5 Rfe8 19. Rae1 Ne7 20. Nxe7+ Rxe7 21. b3 Rce8 22. Rc1 Nf6 23. Nc3 h5 24. Qe2 Qh3 25. Qf3 Ng4 26. Qg2 Qxg2+ 27. Kxg2 Nxe3+ 28. fxe3 Rxe3 29. Rfd1 g5 30. Nd5 Re2+ 31. Kf1 Kg7 32. Nc3 Rxh2 33. Kg1 Rb2 34. Rd3 g4 35. Rcd1 f5 36. Kf1 Kg6 37. Re1 Rxe1+ 38. Kxe1 Kg5 39. c5 dxc5 40. d5 Bb6 41. d6 h4 42. gxh4+ Kxh4 43. d7 Bd8 44. Na4 Rc2 45. Kd1 c4 46. Rd5 Rxa2 47. Rxf5 cxb3 48. Nc3 Rc2 49. Rc5 b6 50. Rc8 Bg5 51. Ne4 Rd2+ 52. Nxd2 Kh3 53. Ne4 Be7 54. Re8 1-0

[Event "Saarland-ch"]
[Site "Germany"]
[Date "1992.??.??"]
[Round "?"]
[White "Becking, Franz Josef"]
[Black "Koch, Arno"]
[Result "1-0"]
[ECO "B00"]
[PlyCount "79"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 e5 2. dxe5 Nc6 3. Nf3 Qe7 4. e4 Nxe5 5. Nxe5 Qxe5 6. Bd3 Bc5 7. Nc3 Nf6 8. Qf3 Bb4 9. Bd2 d5 10. 0-0 Bg4 11. Bf4 Bxf3 12. Bxe5 Bxc3 13. Bxc3 Bxe4 14. Bxe4 dxe4 15. Rfe1 0-0-0 16. Bxf6 gxf6 17. Rxe4 Rd2 18. Rc1 Rhd8 19. g3 Rd1+ 20. Rxd1 Rxd1+ 21. Kg2 Rd2 22. Rc4 Kd7 23. Kf3 Kd6 24. Ke3 Rd5 25. Rd4 c5 26. Rxd5+ Kxd5 27. Kf4 b5 28. Kf5 a5 29. Kxf6 Ke4 30. f4 a4 31. Kxf7 b4 32. Ke6 c4 33. b3 axb3 34. axb3 c3 35. f5 Ke3 36. f6 Kd2 37. f7 Kxc2 38. f8Q Kxb3 39. Ke5 c2 40. Qc5 1-0

[Event "Saarland-chD"]
[Site "Germany"]
[Date "1992.??.??"]
[Round "2"]
[White "Koch, Arno"]
[Black "Breier, Heiko"]
[Result "1/2-1/2"]
[ECO "D12"]
[PlyCount "91"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 Bf5 5. e3 e6 6. Bd2 b6 7. cxd5 Nxd5 8. Nxd5 Qxd5 9. Be2 Bd6 10. 0-0 0-0 11. a3 Nd7 12. b4 c5 13. Bc3 cxb4 14. axb4 Rac8 15. Be1 Rc7 16. Bd3 Bg4 17. Be2 Nf6 18. h3 Bf5 19. Bd3 Ne4 20. Nh4 Bg6 21. Nxg6 fxg6 22. Bxe4 Qxe4 23. Qe2 Rf5 24. f3 Qc6 25. Bf2 Bxb4 26. Be1 Bxe1 27. Rfxe1 a5 28. Qd2 a4 29. Rec1 Qd7 30. Rxc7 Qxc7 31. Rxa4 Qc6 32. Rb4 Rf7 33. e4 Rd7 34. Rb3 b5 35. Qd3 Qc4 36. Rc3 Qxd4+ 37. Qxd4 Rxd4 38. Rb3 b4 39. Kf2 Rc4 40. Ke3 Rc3+ 41. Rxc3 bxc3 42. Kd3 Kf7 43. Kxc3 Kf6 44. Kd4 e5+ 45. Ke3 g5 46. g3 1/2-1/2

[Event "Saarland-ch"]
[Site "Germany"]
[Date "1992.??.??"]
[Round "?"]
[White "Koch, Arno"]
[Black "Emser, Heinrich"]
[Result "0-1"]
[ECO "B00"]
[PlyCount "84"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. f4 b6 2. e4 Bb7 3. d3 e6 4. Nf3 g6 5. Bd2 Bg7 6. Bc3 Bxc3+ 7. Nxc3 d5 8. e5 Ne7 9. g4 d4 10. Ne4 Nd5 11. Qd2 Ne3 12. Nf6+ Kf8 13. Bg2 c5 14. Nh4 Nxg2+ 15. Nxg2 Nd7 16. Ne4 Kg7 17. h4 b5 18. h5 Bxe4 19. dxe4 h6 20. 0-0-0 g5 21. f5 Nxe5 22. fxe6 fxe6 23. Rhf1 Qe7 24. Qe2 a6 25. Ne1 Rhf8 26. Nd3 Qd6 27. Kb1 c4 28. Nxe5 Qxe5 29. a3 Rad8 30. Rf2 Rxf2 31. Qxf2 Qxe4 32. Rf1 Qf4 33. Qe1 Qe3 34. Qxe3 dxe3 35. Re1 Rd4 36. Rxe3 Kf6 37. Rg3 e5 38. Kc1 e4 39. a4 Ke5 40. axb5 axb5 41. b3 Kf4 42. Rg1 c3 0-1

[Event "Saarland-ch"]
[Site "Germany"]
[Date "1992.??.??"]
[Round "?"]
[White "Koch, Arno"]
[Black "Hahner, Anton"]
[Result "1/2-1/2"]
[ECO "A03"]
[PlyCount "113"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. f4 d5 2. g3 Nf6 3. Bg2 g6 4. d3 Bg7 5. c3 0-0 6. Nf3 c5 7. 0-0 Nc6 8. h3 b6 9. Qc2 Bb7 10. e4 e6 11. Na3 d4 12. Nc4 Qe7 13. a4 Rfd8 14. a5 b5 15. a6 bxc4 16. axb7 Qxb7 17. dxc4 d3 18. Qa4 Nxe4 19. Ng5 f5 20. Nxe4 fxe4 21. Bxe4 Rac8 22. Rd1 e5 23. Bd5+ Kh8 24. Rxd3 Qc7 25. Be3 exf4 26. Bxf4 Be5 27. Rf1 Bxf4 28. Rxf4 Ne5 29. Re3 Rb8 30. Rfe4 Re8 31. Qc2 Re7 32. Qf2 Kg7 33. g4 Rf8 34. Qe2 Rfe8 35. Kg2 g5 36. Qf1 Rf8 37. Qe2 Rfe8 38. Kg1 Qd6 39. Kg2 a5 40. b3 Ng6 41. Rxe7+ Rxe7 42. Rxe7+ Qxe7 43. Qxe7+ Nxe7 44. Be4 h6 45. Kf3 Kf6 46. Ke3 Ke5 47. Kd3 Nc8 48. Bg2 Ne7 49. b4 axb4 50. cxb4 cxb4 51. c5 Nd5 52. c6 Nf4+ 53. Kc4 Kd6 54. Bf3 Nxh3 55. Kxb4 Nf4 56. Kb5 Ne6 57. Kc4 1/2-1/2

[Event "Saarland-ch"]
[Site "Germany"]
[Date "1992.??.??"]
[Round "?"]
[White "Koch, Arno"]
[Black "Jochem, Harald"]
[Result "1-0"]
[ECO "A03"]
[PlyCount "73"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. f4 d5 2. g3 c5 3. Bg2 Nc6 4. d3 Nf6 5. c3 e5 6. fxe5 Nxe5 7. Bg5 Be7 8. Bf4 Ng6 9. Nf3 Nxf4 10. Qa4+ Bd7 11. Qxf4 0-0 12. 0-0 Qb6 13. Qc1 Bd6 14. c4 Rae8 15. Ng5 Rxe2 16. Nc3 Rxb2 17. Rxf6 Rxg2+ 18. Kxg2 gxf6 19. Nxd5 Bc6 20. Ne4 Bxd5 21. cxd5 Be5 22. Rb1 Qa6 23. Qc2 b6 24. Rf1 Kg7 25. Qe2 Qc8 26. Qh5 Qd8 27. d6 Bd4 28. Qf5 Re8 29. Rf4 Re5 30. Qg4+ Kh8 31. d7 Rxe4 32. Rxe4 Be5 33. Qf5 Kg8 34. Rh4 Kf8 35. Rxh7 Ke7 36. Qg6 Qa8+ 37. Kh3 1-0

[Event "Saarland-chD"]
[Site "Germany"]
[Date "1992.??.??"]
[Round "4"]
[White "Koch, Arno"]
[Black "Peter, Hans Joerg"]
[Result "1/2-1/2"]
[ECO "A42"]
[PlyCount "30"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 e6 4. e4 d6 5. f3 Ne7 6. Nge2 0-0 7. Bg5 Nd7 8. Rb1 b6 9. b3 a6 10. a4 Bb7 11. d5 e5 12. Ng3 Qe8 13. Bd3 Nc5 14. b4 Nxd3+ 15. Qxd3 f5 1/2-1/2

[Event "Saarland-chD"]
[Site "Germany"]
[Date "1992.??.??"]
[Round "7"]
[White "Koch, Arno"]
[Black "Schirra, Daniel"]
[Result "1-0"]
[ECO "D10"]
[PlyCount "121"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. Nc3 c6 4. Bg5 Nbd7 5. e3 h6 6. Bh4 e6 7. cxd5 cxd5 8. Bd3 Bb4 9. Nge2 a6 10. 0-0 0-0 11. Qc2 b5 12. a3 Bd6 13. e4 Bb7 14. e5 Nxe5 15. dxe5 Bxe5 16. Bg3 Qc7 17. Bxe5 Qxe5 18. Ng3 Rac8 19. Qe2 Qg5 20. f4 Qg4 21. Qxg4 Nxg4 22. f5 Ne3 23. Rfe1 d4 24. Nce4 Nc2 25. Bxc2 Rxc2 26. Re2 Bxe4 27. Rxe4 Rfc8 28. Rxd4 Rxb2 29. fxe6 fxe6 30. Nf1 Re2 31. Rd2 Re5 32. Rad1 Rf5 33. Rd8+ Rf8 34. Rxc8 Rxc8 35. Rd6 Rc3 36. Rxa6 Kf7 37. Ra5 Rb3 38. a4 bxa4 39. Rxa4 e5 40. Re4 Kf6 41. Nd2 Kf5 42. g4+ Ke6 43. Nxb3 Kd5 44. Nc5 Kxc5 45. Rxe5+ Kd6 46. Re8 g6 47. Rh8 Ke6 48. Rxh6 Kf6 49. h4 Kg7 50. g5 Kf7 51. h5 Kg7 52. Rxg6+ Kh8 53. Rh6+ Kg7 54. Ra6 Kh7 55. Ra7+ Kh8 56. Kf2 Kg8 57. Kf3 Kh8 58. Kf4 Kg8 59. Kf5 Kh8 60. Kg6 Kg8 61. Ra8# 1-0

[Event "Saarland-chD"]
[Site "Germany"]
[Date "1992.??.??"]
[Round "9"]
[White "Koch, Arno"]
[Black "Schuler, Alexander"]
[Result "0-1"]
[ECO "D50"]
[PlyCount "56"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. Nc3 c6 4. Bg5 e6 5. e3 Bb4 6. Nge2 h6 7. Bh4 Nbd7 8. c5 b6 9. cxb6 axb6 10. a3 Bxc3+ 11. Nxc3 c5 12. dxc5 Nxc5 13. b4 Ncd7 14. Bd3 Ne5 15. Bc2 Qc7 16. Bxf6 Qxc3+ 17. Ke2 gxf6 18. Ba4+ Bd7 19. Qb3 Qc7 20. Bxd7+ Qxd7 21. Qb2 Qb5+ 22. Kd1 Ke7 23. f4 Qa4+ 24. Qc2 Nc4 25. Qxa4 Nb2+ 26. Ke2 Nxa4 27. Kd3 Nb2+ 28. Kc3 Nc4 0-1

[Event "Saarland-chD"]
[Site "Germany"]
[Date "1992.??.??"]
[Round "6"]
[White "Mueller, O."]
[Black "Koch, Arno"]
[Result "0-1"]
[ECO "E61"]
[PlyCount "94"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. Bg5 d6 6. Qd2 Nbd7 7. Bh6 Ng4 8. Bxg7 Kxg7 9. e3 c5 10. Bd3 cxd4 11. exd4 Re8 12. 0-0 Rb8 13. h3 Ngf6 14. Rfe1 Qc7 15. Nd5 Nxd5 16. cxd5 Nf6 17. Rac1 Qd7 18. Bc4 b6 19. Qd3 Bb7 20. Bb5 Qd8 21. Bxe8 Qxe8 22. Re2 Nxd5 23. Rce1 Nf4 24. Rxe7 Qxe7 25. Rxe7 Nxd3 26. Rd7 d5 27. Ng5 Ne5 28. Re7 h6 29. Rxe5 hxg5 30. Rxg5 Re8 31. Re5 Rc8 32. Re7 Rb8 33. g4 a5 34. g5 Bc8 35. h4 Be6 36. f4 Rh8 37. Ra7 Rxh4 38. Ra6 Rxf4 39. Rxb6 Rxd4 40. a3 Rc4 41. b4 d4 42. Kf1 Rc2 43. Rd6 Rc4 44. Rb6 d3 45. Ke1 Rc2 46. Kd1 Bg4+ 47. Ke1 d2+ 0-1

[Event "Saarland-ch"]
[Site "Germany"]
[Date "1992.??.??"]
[Round "?"]
[White "Pohl, R."]
[Black "Koch, Arno"]
[Result "0-1"]
[ECO "A40"]
[PlyCount "145"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 g6 3. c3 Bg7 4. Nbd2 Nf6 5. e3 d6 6. Qb3 e6 7. Ng5 Qe7 8. Be2 0-0 9. 0-0 h6 10. Nh3 Kh7 11. Nf4 c6 12. Qd1 e5 13. dxe5 dxe5 14. Nd3 Nbd7 15. a4 e4 16. Nb4 Nc5 17. Qc2 Be6 18. b3 a5 19. Na2 Rfd8 20. Ba3 Bf8 21. Nc4 Qc7 22. Bxc5 Bxc5 23. Rad1 Nd5 24. Qb2 Bf8 25. Na3 Bg7 26. Nc2 Qe5 27. Nd4 Bg8 28. Qc2 Nc7 29. c4 Qc5 30. Rd2 Bxd4 31. exd4 Rxd4 32. Rxd4 Qxd4 33. Rd1 Qg7 34. Rd6 Re8 35. Qd2 Re7 36. Nc3 Be6 37. Bf1 Rd7 38. Ne2 Ne8 39. Rxd7 Qxd7 40. Qxa5 g5 41. Ng3 Kg6 42. Qe5 Nf6 43. f3 exf3 44. gxf3 h5 45. Ne2 Qf7 46. Nd4 Bc8 47. Bd3 Ng8 48. c5 Ne7 49. Bc4 Qf6 50. Qd6 f4 51. Qd8 g4 52. fxg4 hxg4 53. Kg2 f3+ 54. Kf1 Kg5 55. Qd6 Qxd6 56. cxd6 Nf5 57. Nxf5 Kxf5 58. Kf2 Ke5 59. Kg3 Kxd6 60. b4 c5 61. b5 b6 62. h3 gxh3 63. Kxf3 Ke5 64. Kg3 Kd4 65. Bf1 c4 66. Be2 c3 67. Bd1 Bf5 68. a5 bxa5 69. b6 Bc8 70. Bg4 Ba6 71. Be2 c2 72. Bxa6 c1Q 73. b7 0-1

[Event "Saarland-ch"]
[Site "Germany"]
[Date "1992.??.??"]
[Round "?"]
[White "Schuler, Dietger"]
[Black "Koch, Arno"]
[Result "0-1"]
[ECO "B14"]
[PlyCount "61"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. c4 c6 4. Nc3 cxd5 5. d4 e6 6. Nf3 Nc6 7. Bg5 Be7 8. Bxf6 Bxf6 9. cxd5 exd5 10. Bb5 0-0 11. 0-0 Bg4 12. Bxc6 bxc6 13. Rc1 h5 14. h3 Bxf3 15. Qxf3 Bxd4 16. Qxh5 Qf6 17. Rc2 Rfe8 18. Na4 Re5 19. Qg4 Rg5 20. Qe2 Qg6 21. g4 f5 22. Qd2 fxg4 23. h4 Rh5 24. Rfc1 Qe4 25. Qe2 Qxe2 26. Rxe2 g3 27. Kg2 gxf2 28. Rh1 Rf8 29. Kf1 Rf4 30. Rh2 Rg4 31. Rexf2 0-1

[Event "Saarland-chD"]
[Site "Germany"]
[Date "1992.??.??"]
[Round "1"]
[White "Sonnhalter, Pascal"]
[Black "Koch, Arno"]
[Result "1/2-1/2"]
[ECO "A03"]
[PlyCount "29"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. f4 d5 2. b3 e6 3. Bb2 Nd7 4. e3 Ngf6 5. Be2 Be7 6. Nf3 0-0 7. 0-0 c6 8. Ne5 Nxe5 9. Bxe5 Nd7 10. Bb2 Bf6 11. Bxf6 Qxf6 12. c3 Qe7 13. d4 c5 14. Nd2 b6 15. Nf3 1/2-1/2

